Home / 12,637,376.08-17,421,440.52-9,009,405.52

Finding the Fourth Proportional to 12,637,376.08, 17,421,440.52 and 9,009,405.52

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Solution

The fourth proportional to 12,637,376.08, 17,421,440.52 and 9,009,405.52 is: 12,420,048.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637,376.08 : 17,421,440.52 = 9,009,405.52 : x
  2. Step 2: Convert to fraction form
    12,637,376.08/17,421,440.52 = 9,009,405.52/x
  3. Step 3: Cross multiply
    12,637,376.08x = 17,421,440.52 × 9,009,405.52
  4. Step 4: Simplify right side
    12,637,376.08x = 156,956,822,387,239.66
  5. Step 5: Solve for x
    x = 156,956,822,387,239.66/12,637,376.08
  6. Step 6: Final answer
    x = 12,420,048.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.